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The Ohio State University

1. McDaniel, Catherine E. Phoria Adaptation in Clinical Vergence Testing.

Degree: MS, Physiological Optics, 2008, The Ohio State University

Phoria adaptation (PA) helps maintain the vergence posture during near work. Vergence facility (VFAC) and vergence ranges (VRAN) are said to assess different aspects of the vergence eye movement system. The purpose of this experiment was to measure vergence adaptation following VFAC and VRAN testing to more fully understand the role of PA in vergence testing. 30 subjects participated in two testing sessions. In each, the modified Thorington card was used to measure the phoria before and after testing: VRAN and VFAC. PA occurred with VRAN and VFAC testing. The results from VRAN and VFAC do not correlate. The effect of PA on test results was different. For VRAN, those who passed had significantly more PA than those who did not. This was not true for VFAC testing. These results again suggest that VRAN (slow fusional vergence) and VFAC (fast fusional vergence) assess different aspects of the fusional vergence system Advisors/Committee Members: Fogt, Nicklaus (Advisor).

Subjects/Keywords: Ophthalmology; phoria adaptation; vergence facility

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

McDaniel, C. E. (2008). Phoria Adaptation in Clinical Vergence Testing. (Masters Thesis). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1211507915

Chicago Manual of Style (16th Edition):

McDaniel, Catherine E. “Phoria Adaptation in Clinical Vergence Testing.” 2008. Masters Thesis, The Ohio State University. Accessed April 10, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1211507915.

MLA Handbook (7th Edition):

McDaniel, Catherine E. “Phoria Adaptation in Clinical Vergence Testing.” 2008. Web. 10 Apr 2021.

Vancouver:

McDaniel CE. Phoria Adaptation in Clinical Vergence Testing. [Internet] [Masters thesis]. The Ohio State University; 2008. [cited 2021 Apr 10]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1211507915.

Council of Science Editors:

McDaniel CE. Phoria Adaptation in Clinical Vergence Testing. [Masters Thesis]. The Ohio State University; 2008. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1211507915

2. Peiffer, Adam J. The Collaborative Assessment of Neurocognition and Vision in Adolescents with Sports-related Concussion - The CANVAS Concussion Study.

Degree: MS, Vision Science, 2018, The Ohio State University

BACKGROUND: Vision related diagnoses are common following concussion in both adults and children. These vision diagnoses are associated with similar symptoms that are classically considered present following a concussion. Symptom surveys are utilized after an individual suffers a concussion, but they often inadequately assess vision related symptoms. The Convergence Insufficiency Symptoms Survey has been shown to correlate to other surveys specifically designed for concussion evaluation and may be a useful tool in the evaluation of concussion due to the high prevalence of vision related symptoms. Children with a concussion and binocular vision disorders (BVD) have been shown to score lower on some individual areas of a neurocognitive computer-based testing programs. Therefore, BVDs may complicate neurocognitive assessment following a concussion. METHODS: The primary objective for this study is to test the hypothesis that the presence of a binocular vision disorder (BVD) affects adolescents' scores on a computerized neurocognitive test that is commonly used in the assessment of sports-related concussion (SRC). 54 adolescent subjects (35 concussion, 19 control) ages 9 to less than 18 competed both the CogState Brief Battery and a sensorimotor evaluation assessing vergence, accommodation, ocular motility, and symptoms. Each group was further separated into those with or without BVD, and differences between the groups were assessed using statistical analyses. RESULTS: 80% of the SRCs and 57% of Controls were found to have a BVD. There were no significant differences in the mean DEM ratios and DEM errors for SRCs versus Controls (P=0.958 and P=0.382). Mean CISS for SRCs and Controls was 19.74 and 14.79 respectively (P=0.073). Mean CISS was 22.21 for SRCs with BVD and 9.86 for SRCs without BVD (P=0.003). Mean CISS was 18.55 for Controls with BVD and 9.63 for Controls without BVD (P=0.012). The mean CogState standard score for SRCs were Processing (86.10), Attention (86.41), Learning (96.74), and Working Memory (92.87). The mean CogState standard score for Controls were Processing (97.96), Attention (99.79), Learning (100.11), and Working Memory (95.38). Processing (P=0.019) and Attention (P=0.004) were statistically different between these two groups. Learning (P=0.025) was lower in the SRC with BVD compared to without BVD. Attention (P=0.031) was lower in the SRC without BVD compared to Controls without BVD. All other mean CogState standard scores were statistically similar between groups. CONCLUSION: BVDs are prevalent in adolescents with SRC. The DEM may provide utility in vision evaluations following a concussion by accounting for automaticity deficits. The CISS is an adequate tool to assess vision related concussion symptoms. The presence of BVDs alone is not significantly associated with reduced scores on the CogState Brief Battery. However, their effect on the CogState scores does appear to be additive to effects due to the presence of a concussion. Vision assessment could play an important role in concussion… Advisors/Committee Members: McDaniel, Catherine (Advisor), Hartwick, Andrew (Advisor).

Subjects/Keywords: Sports Medicine; Ophthalmology; Cognitive Psychology; Concussion, Convergence Insufficiency, Oculomotor, CogState, Pediatric, Developmental Eye Movement Test, Vergence Facility, Binocular Vision

facility from PFV to NFV Vertical Heterophoria Vertical misalignment; poor vertical vergence… …36 Table 5: Diagnostic criterion for vergence and accommodative disorders.[53, 111-116… …contains nuclei that contribute heavily to voluntary coordination of vergence eye movements.[… …vergence), focusing (accommodation), or eye 14 movements (saccades)… …x5B;50-52] Vergence problems include basic exophoria, basic esophoria, convergence… 

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Peiffer, A. J. (2018). The Collaborative Assessment of Neurocognition and Vision in Adolescents with Sports-related Concussion - The CANVAS Concussion Study. (Masters Thesis). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1523962375501181

Chicago Manual of Style (16th Edition):

Peiffer, Adam J. “The Collaborative Assessment of Neurocognition and Vision in Adolescents with Sports-related Concussion - The CANVAS Concussion Study.” 2018. Masters Thesis, The Ohio State University. Accessed April 10, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523962375501181.

MLA Handbook (7th Edition):

Peiffer, Adam J. “The Collaborative Assessment of Neurocognition and Vision in Adolescents with Sports-related Concussion - The CANVAS Concussion Study.” 2018. Web. 10 Apr 2021.

Vancouver:

Peiffer AJ. The Collaborative Assessment of Neurocognition and Vision in Adolescents with Sports-related Concussion - The CANVAS Concussion Study. [Internet] [Masters thesis]. The Ohio State University; 2018. [cited 2021 Apr 10]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1523962375501181.

Council of Science Editors:

Peiffer AJ. The Collaborative Assessment of Neurocognition and Vision in Adolescents with Sports-related Concussion - The CANVAS Concussion Study. [Masters Thesis]. The Ohio State University; 2018. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1523962375501181

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